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Category Archives: Measurements and instrumentation
It’s Hotter Than A Ginger Mill In Hades
By: Giles Harrison and Stephen Burt Or so they sometimes say in the south of the United States. But without a reference ginger mill or ready access to Hades, how do we know how hot it really is, and how … Continue reading
Balloon measurements at Stromboli suggest radioactivity contributes charge in volcanic plumes
By: Martin Airey Volcanic lightning is an awe-inspiring and humbling display of nature’s power. It results from the breakdown of large electric fields that are generated within the volcanic plume. The processes that result in the accumulation of charge are … Continue reading
Characteristics and enhanced quality control of drifting buoy observations of sea surface temperature from the International Comprehensive Ocean Atmosphere Data Set (ICOADS)
By Simone Morak-Bozzo Over the last two decades drifting buoys have become the most prevalent in situ measurement method for sea surface temperature(SST). Drifting buoy data are particularly popular because of their high spatial and temporal coverage. Their freedom of … Continue reading
Smoke, science, and sharks
By Ross Herbert In the August of 2017 the Cloud-Aerosol-Radiation Interactions and Forcing – Year 2017 (CLARIFY) measurement campaign took place on a tiny island in the middle of the southeast Atlantic Ocean where we were surrounded by whales, sharks, … Continue reading
Posted in Africa, Atlantic, Atmospheric chemistry, Atmospheric circulation, Atmospheric optics, Climate, Climate change, Climate modelling, Clouds, Data collection, earth observation, Energy budget, Environmental hazards, Greenhouse gases, Measurements and instrumentation, Microphysics, Numerical modelling, Solar radiation, Weather forecasting, Wind
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Image conscious atmospheric science
By Giles Harrison A frequently-heard mantra in physics is “Like charges repel and unlike charges attract”. At face value this paraphrase of Coulomb’s Law seems useful for clouds too, as, quite apart from the obvious example of thunderclouds, water drops … Continue reading
Soil Moisture retrieval from satellite SAR imagery
By Keith Morrison Soil moisture retrieval from satellite synthetic aperture radar (SAR) imagery uses the knowledge that the signal reflected from a soil is related to its dielectric properties. For a given soil type, variations in dielectric are controlled solely … Continue reading
The value of future observations
By Alison Fowler The atmosphere and oceans are being routinely observed by a myriad of instruments. These instruments are positioned on board orbiting satellites, aircraft and ships, surface weather stations, and even balloons. The information collected by these instruments can … Continue reading
How can a hurricane near the USA affect the weather in Europe?
By John Methven It may seem bizarre that processes occurring within clouds near the USA, involving tiny ice crystals and water droplets, can have an influence on high-impact weather events thousands of kilometres away in Europe, and our ability to predict them … Continue reading
A month’s worth of rain …
By Ben Harvey Phrases like a month’s worth of rain fell in just one day are often seen in media reports of extreme precipitation. But what does this statistic actually mean? How rare is it to see a month’s worth … Continue reading
Posted in Climate, Environmental hazards, Hydrology, Measurements and instrumentation, Weather
Tagged extreme rainfall
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